细菌性烂鳃病的病因、症状及其防治方法?

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问题:

细菌性烂鳃病的病因、症状及其防治方法?

考点:水产学池塘养鱼池塘养鱼题库
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下列情况易引起室性心动过速的是()

A.高钾血症

B.Q-T间期大于0.44秒

C.PR间期大于0.20秒

D.预激综合征

E.完全性右束支传导阻滞

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依次填入下面一段文字横线处的语句,衔接最恰当的一组是[ ]

  把一群人送到一个远离现代文明的荒岛上,让他们在“原始状态”下开始新生活。_______,_______,______,_______,_______。  

①结果可想而知,大家选择了公平  

②因此结论是:在公平和效率之间,公平优先  

③每个人对未来一无所知,不知道自己将来是穷还是富  

④现在,让他们协商,建立一个他们心目中“公正”的社会  

⑤因为不知道自己将来的收入如何,支持效率就可能承担饥饿的风险  

A.④②⑤③①

B.③④①⑤②   

C.①③⑤④②

D.①⑤③④②

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Concern with money, and then more money, in order to buy the conveniences and luxuries of modern life, has brought great changes to the lives of most Frenchmen. More people are working harder than ever before in France. In the cities the traditional leisurely midday meal is disappearing. Offices, shops, and factories are discovering the great efficiency of a short lunch hour in company lunch rooms. In almost all lines of work emphasis now falls on ever increasing output. Thus the “typical” Frenchman produces more, earns more, and buys more consumer goods than his counterpart of only a generation ago. He gains in creature comfort and ease of life. What he loses to some extent is his sense of personal uniqueness, or individuality.

Some say that France has been Americanized. This is because the United States is a world symbol of the technological society and its consumer products. The so called Americanization of France has its critics. They fear that “assembly line life” will lead to the disappearance of the pleasures of the more graceful and leisurely (but less productive) old French style. What will happen, they ask, to taste, elegance, and the cultivation of the good things in life to joy in the smell of a freshly picked apple, a stroll by the river, or just happy hours of conversation in a local café?

Since the late 1950s life in France has indeed taken on qualities of rush, tension, and the pursuit of material gain. Some of the strongest critics of the new way of life are the young, especially university students. They are concerned with the future, and they fear that France is threatened by the triumph of this competitive, goods-oriented culture. Occasionally, they have reacted against the trend with considerable violence.

In spite of the critics, however, countless Frenchmen are committed to keeping France in the forefront of the modern economic world. They find that the present life brings more rewards, conveniences, and pleasures than that of the past. They believe that a modern, industrial France is preferable to the old.

小题1:Which of the following is a feature of the old French way of life?

A.Leisure, elegance, and efficiency

B.Elegance, efficiency, and taste

C.Leisure, elegance, and taste

D.Elegance, efficiency, and leisure小题2:Which of the following is NOT true about Frenchmen?

A.Many of them prefer the modern life style.

B.They actually enjoy working at the assembly line.

C.They are more concerned with money than before.

D.They are more competitive than the old generation.小题3:The passage suggests that _________.

A.in pursuing material gains the French are suffering losses elsewhere

B.it’s now unlikely to see a Frenchman enjoying a stroll by the river

C.the French are fed up with the smell of freshly picked apples

D.great changes have occurred in the life style of all Frenchmen小题4:Which of the following is true about the critics?

A.Critics are greater in number than people enjoying the new way of life.

B.Students critics are greater in number than critics in other fields.

C.Students critics have, on occasion, resorted to violent means against the trend.

D.Critics are concerned solely with the present and not the future.小题5:Which of the following best states the main idea of the passage?

A.Changes in the French Way of Life

B.Criticism of the New Life Style

C.The Americanization of France

D.Features of the New Way of Life

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一成年患者既往因结肠病变有手术史,现因阵发性腹痛、腹胀、呕吐、肠鸣音亢进而行临床检查,超声见肠管扩张,最宽径达4.0m,肠腔内充满液体,逆蠕动出现,肠间可见少量条状无回声

对其声像图的描述错误的是()。

A.梗阻处肠黏膜皱襞可发生水肿

B.梗阻的肠内容物出现逆蠕动

C.肠蠕动可增强、减弱或消失

D.梗阻以上部位的肠管多无扩张

E.合并穿孔时可有腹腔积液

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左侧精索静脉回流到()

A.左肾静脉

B.腹腔静脉

C.左髂外静脉

D.左腹壁浅静脉

E.左髂内静脉

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